The Glacier Fresh Reverse Osmosis Filter System is a three-stage under sink filter set designed for clean and fresh water. Made by Glacier Fresh, this filtration system uses reverse osmosis technology to remove impurities and contaminants from your tap water. With a simple installation process, this set includes filters to effectively remove PPC, C, and RO particles, ensuring you have clean and safe drinking water at all times. Made in China, this water filter system is a reliable and efficient solution for improving the taste and quality of your tap water.